. "--11-21"^^ . . "Navajo was a tug built in 1907 by Neafie & Levy, Philadelphia, Pennsylvania, purchased by the Navy on 21 November 1907 and commissioned on 17 March 1908 as Fleet Tug No.52."@en . . "USS Navajo (AT-52)"@en . . "Navajo was a tug built in 1907 by Neafie & Levy, Philadelphia, Pennsylvania, purchased by the Navy on 21 November 1907 and commissioned on 17 March 1908 as Fleet Tug No.52."@en . . . . "--03-15"^^ . . "300"^^ . . . "USS Navajo assists with the salvage of USS F-4 (SS-23), April\u2013August 1915."@en . . . . . . . . .